* {
    margin: 0;
    padding: 0;
  }
  
  li {
    list-style-type: none;
  }
  
  .tab {
    width: 978px;
    margin: 20px auto;
  }
  
  .tab_list {
    height: 39px;
    border: 1px solid #ccc;
    background-color: #f1f1f1;
  }
  
  .tab_list li {
    float: left;
    height: 39px;
    line-height: 39px;
    padding: 0 20px;
    text-align: center;
    cursor: pointer;
  }
  
  .tab_list .current {
    background-color: #c81623;
    color: #fff;
  }
  
  .item_info {
    padding: 20px 0 0 20px;
  }
  
  .item {
    display: none;
  }